247 results about "Land reclamation" patented technology

The invention discloses a coal-based solid waste ecological restoration material and a preparation method thereof. The preparation method comprises the following steps: mixing coal gangue powder with a cementing material, a mineral activator and a physical pore-forming foam body, and curing to prepare a porous sandy soil matrix; and uniformly mixing the prepared porous sandy soil matrix with coal slime and a complex microbial inoculant, and performing fermentation and precipitation to obtain the coal-based solid waste ecological restoration material. Due to the addition of the cementing material, the strength of a sandy soil matrix framework is enhanced, collapse of pore channels in the crushing process is reduced, and the water retention and air permeability of the material are improved. Compared with traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted by the invention improves the operation safety while reducing the cost, and facilitates standardized production. Nutrient elements in the ecological restoration material can be fully released through the activation effect of the bacterium-fungus complex microbial inoculant. The ecological restoration material can be applied to environmental restoration fields such as mine soil restoration and land reclamation.

The invention relates to the technical field of synthetic aperture radar interferometry, in particular to an intelligent sea reclamation site deformation monitoring system and method based on InSAR, and the system comprises a data collection module which is used for collecting a multi-temporal satellite-borne SAR image of a sea reclamation area; the data processing module is used for executing sub-pixel matching, orbit error correction, atmospheric delay correction and residual optimization; the model construction module is used for constructing a segmented orbit error model, a tide-humidity coupling model and a dynamic regression model; the verification feedback module is used for verifying leveling precision and dynamically adjusting model parameters; according to the method, by fusing terrain mutability, tide-humidity coupling and soil rheological characteristics of a reclamation scene, accurate correction of multi-source error distribution of orbit errors, atmospheric delay and creep noise is realized, and the problem of insufficient adaptability of a traditional method in reclamation area deformation monitoring is solved; and millimeter-level reliable data support can be provided for cofferdam safety, hydraulic reclamation consolidation and port engineering.

The invention relates to the technical field of land layout, and discloses a BIM platform-based land reclamation project automatic rapid layout method and system, and the method comprises the steps: obtaining the site topographic data of an excavation region, obtaining an original landform BIM model of a field based on the data, carrying out the screening, enabling the screened original landform BIM model of the field not to comprise a super-slope region, and carrying out the screening of the original landform BIM model of the field; arranging a terrace according to the contour line to obtain a field piece line, performing grouping based on the contour line interval where the height of the point cloud data is located, calculating a field surface design elevation, and establishing a preliminary terrace model on the basis of the original landform BIM model of the field piece based on the field piece line, the gross width of the terrace and the field surface design elevation; and establishing a ridge and ridge model on the basis of the preliminary terrace model according to the field surface clear width, the ridge width and the ridge height. According to the invention, a convenient, rapid and intelligent field distribution scheme is provided for a land leveling construction project in the hilly area, so that fine improvement construction of the terrace type terraced field in the hilly area is realized.

The invention relates to lithium slag-based artificial soil based on different soil layer functions and a preparation method of the lithium slag-based artificial soil. The lithium slag-based artificial soil comprises a surface soil layer, a leaching layer, a deposition layer and a parent material layer according to soil profile layers. Compared with an existing technology for preparing artificial soil from solid waste materials such as lithium slag, red mud and coal gangue, the preparation process is simple, the cost is low, and the prepared soil is free of secondary pollution risk and is environmentally friendly; the preparation of the artificial soil of soil layers with different ecological functions in a soil profile configuration can be realized, so that the artificial soil meets the requirements of mine land reclamation and mine ecological restoration on the artificial soil with a stable soil body structure, the green restoration concept that lithium slag comes from a mine and then returns to the mine is embodied, and precious natural soil resources are not consumed; and a plurality of solid waste materials which are difficult to dispose can be recycled, the recovery and treatment cost of the mine ecological environment after mining is reduced, the pollution caused by solid waste stockpiling is reduced, and the ecological environment of a mining area and the surrounding of the mining area is improved.

The invention belongs to the technical field of sampling devices, and particularly relates to a soil sampling and measuring device for land reclamation, which comprises a sampling cylinder structure, a handle arranged at the top of the sampling cylinder structure, a crushing structure and a force application structure, the sampling cylinder structure comprises a square sampling cylinder and a cylinder cover, the square sampling cylinder comprises a cylinder body and a sealing plate, the cylinder body is provided with a rear opening and a bottom opening, the sealing plate is slidably assembled in the rear opening in the vertical direction to seal the rear opening, and the top of the sealing plate is provided with a transverse plate which sleeves the handle in a vertical sliding manner; cylinder cover sliding grooves are formed in the left side and the right side of the interior of the cylinder body at the bottom opening; the left side and the right side of the bottom of the barrel cover are assembled in the barrel cover sliding grooves in a sliding mode through pin shafts. The top of the barrel cover is connected with the bottom of the sealing plate so that the sealing plate can drive the barrel cover to slide in a reciprocating mode. The crushing structure comprises a crushing rod and a crushing blade which are rotationally assembled on the handle; the force application structure comprises a force application seat, and the force application seat is used for applying force downwards to the transverse plate.

The invention provides a method for preparing regenerated soil by utilizing ardealite and application thereof, the method takes bulk solid waste ardealite as a raw material, and the regenerated soil with high fertility, stable structure and strong water and fertilizer retention capability is obtained by performing harmless and microorganism alternative fermentation and trace element compounding treatment on the bulk solid waste ardealite, and can be directly used for crop planting. According to the method, plant absorption of Ca, S, P and other elements in the phosphogypsum can be promoted, and land utilization of all components of the phosphogypsum is achieved. Besides, an organic-inorganic complex is formed through a compatible fermentation technology, the complex can promote formation of a soil aggregate structure and can improve the bio-availability of microelements in the soil and the stability of organic matter, and then high-quality regenerated soil with high water retention and air permeability and lasting fertilizer efficiency is constructed. According to the method, the problem of phosphogypsum stockpiling can be effectively solved, the prepared regenerated soil can be applied to cultivated land improvement, land reclamation and crop planting, and the purpose of turning waste into wealth is achieved.

The invention relates to a land second ploughing comprehensive evaluation and analysis method, a storage medium and a system, and relates to the technical field of data processing, and the method comprises the steps: obtaining the soil data of a to-be-evaluated land; constructing a soil quality dynamic evaluation index mathematical model according to the soil data, and calculating a soil quality dynamic evaluation index of the land; establishing a vegetation recovery condition evaluation mathematical model according to the soil data, and calculating a vegetation recovery index of the land; constructing a landform recovery degree quantitative mathematical model according to the soil data, and calculating a landform recovery index of the land; establishing a comprehensive evaluation index calculation model, and performing comprehensive evaluation by fusing the soil quality dynamic evaluation index, the vegetation recovery index and the landform recovery index of the land to obtain a comprehensive evaluation index of the land; and based on the comprehensive evaluation index, performing evaluation result grading on land second ploughing and implementing dynamic early warning. According to the invention, the accuracy of land second ploughing comprehensive evaluation can be improved.

The invention discloses a method for planting indigenous crops by in-situ land reclamation of a coal gangue storage yard, which comprises the following steps: firstly, mixing screened shale coal gangue with other materials for in-situ composting fermentation, then flatly laying the fermented product on the surface of the coal gangue storage yard in a set pilot plant test area to obtain a growth substrate, primarily screening a plurality of indigenous crops for planting and tending, and finally, carrying out primary screening on the indigenous crops to obtain the indigenous crops. According to the conditions of crop growth vigor, yield, product quality and the like, final crops are determined for amplification engineering, and finally coal gangue storage yard in-situ land reclamation and indigenous crop screening planting are completed.

The invention provides a section reconstruction structure and method for coal gangue artificial soil, and the method comprises the steps: carrying out surface soil layering treatment on a land reclamation area, laying coarse-grained gangue at the bottom of the land reclamation area to form a coarse-grained gangue layer, and the particle size of the coarse-grained gangue is 4-6cm; coal gangue artificial soil covers the coarse-grain gangue layer to form a coal gangue artificial soil layer, and the thickness of the coarse-grain gangue layer is smaller than that of the coal gangue artificial soil layer. The coal gangue artificial soil comprises coal gangue, local soil, organic fertilizer, biochar and fungicide, and the mass ratio of the coal gangue to the coal gangue artificial soil layer is 60%. The coal gangue soil utilization benefit of the mining area can be improved, the cost can be saved while the crop growth effect is guaranteed, and the method is easy to operate, practical and low in cost.

The invention discloses a method for investigating newly increased cultivated land after land reclamation based on three-dimensional laser scanning. The method comprises the following steps: step 1, acquiring point cloud data of a target area by adopting an unmanned aerial vehicle to carry a three-dimensional laser scanner; 2, the design height and the height threshold range (a, b) of the newly-added cultivated land are determined; step 3, selecting point cloud data in a height threshold range, namely newly added cultivated land point cloud data; 4, coordinate point (x, y) values are extracted based on the newly-added cultivated land point cloud data, concave packet calculation is carried out based on a spheronization algorithm, a newly-added cultivated land polygon is generated, and boundary points (X, Y) of the newly-added cultivated land point cloud data are obtained; and step 5, calculating a newly added cultivated land area Si based on the boundary points (X, Y). According to the invention, the unmanned aerial vehicle autonomously scans and calculates the mountainous region, detects the new farmland increase condition, regularly, quickly and autonomously identifies and detects the new farmland area of the whole field of the project, detects the construction progress, and reduces the labor cost.

The invention discloses an identification and treatment method for a water and soil loss priority treatment area of a small watershed slope in a hilly area. The method comprises the following steps: calculating a small watershed soil erosion modulus and a sediment connectivity index, and carrying out geospatial modeling to form a soil erosion and connectivity partition identification priority treatment area; determining the land utilization type and terrain status of water and soil loss, and dividing functional zones from the spatial angles of an upper slope, a middle slope and a lower slope; a water and soil conservation forest is built in a forest and grass vegetation area on the slope or an abandoned cultivated land above a reclamation prohibition slope and a water and soil loss treatment area on the barren mountain and slope according to the principle of suitable land and suitable trees, and water and soil loss is prevented and controlled through natural restoration; water and soil loss prevention and control measures of slope land reclamation-hydrological network optimization and node control-grassland soil fixation and fertility increasing are adopted in a slope water and soil loss treatment area below the reclamation forbidding gradient in the slope; the slope bottom is provided with a plant filter belt, a tail end grit chamber and an ecological ditch measure for desilting and pollution reduction; the problem that a water and soil conservation treatment system in a small watershed is low in treatment degree is solved.

The invention discloses a land reclamation planning surveying and mapping collaborative operation method based on geographic information, and particularly relates to the technical field of planning surveying and mapping. A time sequence analysis method is introduced, dynamic changes of land reclamation areas are analyzed, in combination with a density-based DBSCAN clustering algorithm, time sequence dynamic clustering is performed on the areas, areas with similar characteristics are identified, a risk assessment model is constructed through a clustering result, and risk levels of different areas are assessed. The cloud platform is utilized to support collaborative operation of planning surveying and mapping personnel, and the risk assessment result of the region is updated in real time, so that the land reclamation scheme is automatically adjusted, matching of planning and actual conditions is ensured, the problem that time dynamic characteristics are neglected in the prior art is effectively solved, the timeliness and accuracy of the land reclamation scheme are improved, and the land reclamation method is suitable for large-scale popularization and application. And the management efficiency and effect of overall land reclamation are improved.

The invention relates to the technical field of land reclamation planning, and discloses a land reclamation collaborative planning system based on GIS and BIM fusion. The system comprises a basic data acquisition module which is used for acquiring a historical land GIS spatial data set, a historical BIM component data set and a historical improvement project data set of a target area; the multi-level integration module is used for carrying out space-time correlation integration on the data set to generate a land reclamation multi-source fusion data pool; the strategy generation module is used for performing multi-factor dynamic indexing in the data pool based on a preset renovation target and generating an initial collaborative planning strategy set; the strategy adjusting module is used for dynamically adjusting the initial strategy through a dual-channel regulation and control mechanism and outputting a target collaborative planning strategy; the execution feedback module drives planning execution and collects a real-time land state feedback data set; and the data pool updating module is used for comparing the difference factors of the feedback data and the preset target and updating the multi-source fusion data pool. The system improves the dynamics and accuracy of land reclamation planning.

The invention relates to the technical field of muck crushing, and discloses a building muck utilization device for land reclamation and remediation, the building muck utilization device for land reclamation and remediation comprises a rack, the top of the rack is fixedly connected with a motor I, the output end of the side wall of the motor I is fixedly connected with a belt pulley I, and two sliding grooves are formed in the inner wall of the rack; an impact convex plate is arranged on the inner wall of the rack, a second motor is started to drive convex rods to rotate, the two convex rods rotate at the same time through a driving assembly, the protruding position of a cam groove can push a sliding frame to transversely move, the impact convex plate and an impact concave plate are close to each other, meanwhile, the impact convex plate can make contact with the protruding position of a concave-convex plate, and therefore the impact convex plate and the concave-convex plate are extruded; and when the muck particles are extruded through the impact convex plate and the impact concave plate, the muck particles are longitudinally rubbed, large muck particles are crushed and crushed into uniform small blocks, and the situation that part of the muck particles are large, and the backfilling uniformity is affected is effectively prevented.

The invention discloses a combined structure of an assembled ditch and a retaining wall and a construction method thereof, and belongs to the technical field of agriculture and forestry land reclamation. The structure comprises a ditch and a retaining wall, the ditch is formed by interlocking and clamping a bottom plate and a wall plate through a broken-line-shaped groove and a tenon, and the outer side of the ditch is wrapped with hydraulic cloth and a hydraulic film in a layered mode to enhance the impermeability; the retaining wall adopts the right triangle buttress and the hollow reinforced concrete baffle, is fixed through the plug pin and is connected with the ditch through the inhaul cable in the threading pipe, so that the anti-overturning and anti-sliding stability is improved. The construction method comprises the steps of prefabricating the components, laying impermeable materials in a layered mode, conducting modular assembling, conducting backfilling and greening and the like. Through structure optimization and standardized prefabrication, the problems that a traditional cast-in-place structure is long in construction period, high in manufacturing cost and the like are solved, and the advantages of being rapid in assembly, multiple in seepage prevention, capable of saving cost and environmentally friendly are achieved. Compared with a cast-in-place scheme, the comprehensive manufacturing cost is reduced, the construction efficiency is remarkably improved, and the water and soil loss prevention and control effect is better.

The invention relates to the technical field of land reclamation, and discloses a soil trace element dynamic monitoring method and system for land reclamation, and the method comprises the steps: obtaining a soil element data set; autocorrelation analysis is carried out according to the soil element data set, spatial interpolation is carried out according to obtained autocorrelation characteristics, and an element spatial distribution diagram is obtained; performing time sequence analysis according to the soil element data set to obtain time change characteristics; performing space-time coupling according to the element space distribution diagram and the time change characteristics to obtain space-time prediction model parameters; performing Bayesian optimization according to the space-time prediction model parameters to obtain optimized prediction model parameters; and carrying out distribution prediction according to the optimized prediction model parameters, the element spatial distribution diagram and the time change characteristics to obtain a trace element prediction result, and carrying out visualization. The method has the following effect that the dynamic monitoring accuracy of the soil trace elements can be improved.

The invention relates to the technical field of land reclamation, in particular to an automatic planting soil stripping device for land reclamation, which comprises a stripping vehicle, the front side of the stripping vehicle is fixedly connected with a collecting basket, the front side of the collecting basket is fixedly connected with a stripping depth adjusting mechanism, and the rear side of the stripping depth adjusting mechanism is provided with a control mechanism. Through the arrangement of the collecting basket, the stripping depth adjusting mechanism, the control mechanism and the stripping mechanism, automatic stripping and efficient collection of planting soil are achieved, in the stripping process, accurate adjustment of the stripping depth is ensured, through cooperation of an inclined shovel plate and a transmission belt, the stripping depth is adjusted, and the stripping efficiency is improved. Continuous shoveling and conveying of soil are achieved, meanwhile, compaction and impurity crushing are conducted on the soil through rotation of the extrusion rollers, the blocking condition is effectively avoided, and due to the reciprocating type shaking design of the discharging frame, the discharging efficiency is further improved, and smooth flowing of the soil is guaranteed.

The utility model provides wind prevention and sand fixation equipment in land reclamation, which relates to the technical field of wind prevention and sand fixation equipment and comprises a first shell, a third shell fixedly connected to the top of the first shell, a supporting plate fixedly connected to one side of the third shell, a telescopic rod fixedly connected to the bottom of the supporting plate, and a fourth shell fixedly connected to the bottom of the telescopic rod. A second motor is fixedly connected to one side of the inner wall of the fourth shell, an extrusion piece is fixedly connected to the output end of the second motor, a threaded rod is rotationally connected to the upper surface of the fourth shell and is in threaded connection with the supporting plate, and a handle is fixedly connected to the upper surface of the threaded rod. The height of the extrusion sheet can be adjusted according to the land desertification degree, and the flexibility and practicability of the device are improved; straw slides down to the ground along the first auxiliary plate to be evenly arranged, and the situation that the density of the straw around the straw checks is uneven, so that the stability of the straw checks is affected, and the whole straw checks are unstable in structure is avoided.

The invention relates to the technical field of semi-arid mining area land reclamation and ecological restoration, and discloses a semi-arid mining area reclamation double-surface-soil key layer and a refined construction method thereof.The semi-arid mining area reclamation double-surface-soil key layer comprises a wind-erosion-resistant key layer and a water and fertilizer maintaining key layer which are arranged from top to bottom; the anti-wind-erosion key layer comprises a coarse particle windproof layer and a fine particle cementing layer which are arranged from top to bottom; the water and fertilizer maintenance key layer is prepared from the following raw materials: fine sand or original sandstorm surface soil, a clay mineral-based physical structure regulator, an organic water-retaining agent and a biological enhancement matrix material; the raw materials of the coarse particle windproof layer comprise gravel and coarse sand; the raw materials of the fine particle cementation layer comprise fine sand or original sandstorm surface soil, a clay mineral-based physical structure regulator and an organic water retention capacity cementing agent. The reclamation double-surface soil key layer for the semi-arid mining area can effectively resist natural erosion, improve the soil structure, improve the water and fertilizer retention capability and promote the recovery of local host plants.

The present invention relates to the technical field of desulfurization of coal gangue, specifically a high-sulfur coal gangue separation and desulfurization device and process; the steps of the process are as follows: S1: Screen and crush the high-sulfur coal gangue to less than 30 mm to effectively separate the pyrite and gangue in the coal gangue; S2: Feed the crushed high-sulfur coal gangue below 30 mm into the separation and desulfurization device for separation treatment. Due to different specific gravities, it is separated into primary pyrite, pure gangue, medium coal, and power coal by jigging gravity separation; the medium coal is washed again; the process provided by the present invention obtains primary pyrite, pure gangue, and power coal through preliminary crushing and separation of high-sulfur coal gangue; then the primary pyrite is crushed and separated again to obtain pyrite and gangue; the pyrite is directly sold, the pure gangue is backfilled for land reclamation, and the power coal is directly sold; in this way, the process thoroughly treats the high-sulfur coal gangue, and all classified materials can be comprehensively utilized.

The invention discloses a land reclamation analysis method and system for an industrial and mining area, and relates to the technical field of land reclamation analysis, and the method comprises the steps: collecting the geographic information data of a target industrial and mining area, and analyzing the land degradation attribute and future reclamation behavior prediction result of the target industrial and mining area based on the geographic information data of the target industrial and mining area; generating an external environment influence factor based on the land degradation attribute and future reclamation behavior prediction; the reclamation potential value of the target industrial and mining area is calculated in combination with the ecological restoration parameters and land reclamation standards; and through a comprehensive evaluation decision engine, generating a reclamation feasibility score and outputting a recommended reclamation scheme map. The method has the advantages that environment risk and restoration potential multi-dimensional indexes are integrated, the recommended reclamation scheme map with the remarkably optimized success rate is automatically generated, the feasibility and ecological adaptability of reclamation planning are improved, and the reclamation success rate and land utilization efficiency of the industrial and mining wasteland are effectively improved.

The invention relates to the field of land reclamation engineering, in particular to a land reclamation engineering progress monitoring system based on time sequence image analysis, which comprises a data storage module, an engineering progress image recognition engine, an engineering quality detection module, a meteorological condition compensation module and an early warning module. A Riemannian geometric model of a terrain curved surface is constructed, a project progress is analyzed and quantified through a geodesic network, a project progress image recognition engine comprises an image registration module, a Riemannian geometric terrain modeling module and a geodesic analysis module, and the Riemannian geometric terrain modeling module constructs a terrain surface model through manifold parameterization and measurement tensor calculation. The geodesic analysis module quantifies engineering progress indexes such as the earthwork completion rate, the road hardening rate and the greening coverage rate based on geodesic network changes, the system further integrates quality evaluation functions such as slope stability detection and drainage system integrity detection, and the reliability of a monitoring result is improved through meteorological condition compensation.

The utility model discloses a soil turning device suitable for land reclamation, which belongs to the technical field of land reclamation, and comprises a bucket, an inclined plate is arranged in the bucket, the outer surface of the inclined plate is fixedly connected with the inner side wall of the bucket, a group of grooves are formed in the front surface of the inclined plate, a handle is arranged above the bucket, and the inclined plate is fixedly connected with the inner side wall of the bucket. The bottom end of the handle is fixedly connected with the upper surface of the bucket, the bucket is arranged, soil can be turned over through cooperation of the bucket and the handle, the operation mode is simple and convenient, the inclined plate is arranged, the inclined plate and the groove can be used for blocking and screening the soil in the bucket, and the soil can be conveniently and rapidly screened. Caked soil or garbage doped in the soil is left in the bucket so that the soil can be remedied and cleaned, the leakage holes are formed, soft soil in the bucket can be leaked outwards through the leakage holes so that the device can be continuously used, soil turning and garbage collection can be carried out at the same time through the device, and the working efficiency is improved.

The utility model relates to the field of land reclamation, and discloses a soil sampling device for land reclamation, the soil sampling device comprises a supporting plate, the lower surface of the supporting plate is fixedly connected with a plurality of limiting rods, the outer surfaces of the limiting rods are fixedly connected with limiting plates, the upper surface of the supporting plate is fixedly connected with a supporting ring, and the supporting ring is fixedly connected with the limiting rods. A ground drilling cylinder is slidably connected to the inner wall of the supporting ring, a plurality of sampling grooves are formed in the side surface of the ground drilling cylinder, a plurality of containing boxes are slidably connected to the inner wall of the ground drilling cylinder, a rotating shaft is rotatably connected to the inner wall of the supporting plate, and the rotating shaft penetrates through the containing boxes; the outer surface of the rotating shaft is fixedly connected with a plurality of connecting columns, and the rotating shaft is fixedly connected with a plurality of sampling pieces through the plurality of connecting columns; the soil sampling device can be used for sampling multiple layers of soil at the same time, so that the sampling efficiency is greatly improved.

The invention discloses a double-layer structure drainage ditch for land reclamation, which comprises a ditch, and a top cover is arranged at the top of the ditch. Large-volume impurities are firstly filtered through the bearing filter plate, when water flow falls down and impacts the bearing filter plate, the bearing filter plate moves downwards and drives the buffer block to move downwards, the buffer block compresses the spring, and the impact force borne by the bearing filter plate is removed in the process that the spring is compressed; when the mounting rack and the filter screen are taken out, the pull rod is pulled upwards, the pull rod drives the clamping plate to be separated from the clamping groove, the clamping groove and the mounting rack are not fixed, the mounting rack is moved upwards, and the bearing filter plate can be taken out. The drainage ditch with the double-layer structure has the advantages of being high in safety and durability, filtered impurities can be separated and collected in a layered mode, the filtering assembly has an anti-impact protection effect, and the use safety of the drainage ditch with the double-layer structure is improved.

This invention relates to the field of soil sampling device technology, and more particularly to a mountable UAV soil sampling device for land reclamation. The device comprises an upper shell, a lower shell, a drilling assembly, and an air pump assembly. The upper shell is fixedly mounted on the top of the lower shell via a mounting buckle, which is then bolted to both the upper and lower shells. A bracket is fixedly mounted on the bottom of the lower shell. This invention, by installing an outer cylinder outside the guide cylinder, creates a double-layered cylindrical guiding structure. This structure ensures the stability of the drill bit sampling without affecting soil sample transmission. Furthermore, in conjunction with the air pump assembly, high-pressure airflow is used to backwash and clean the soil movement path of the drill bit, guide cylinder, and outer cylinder. This allows for the cleaning of the soil movement path during sampling point changes, significantly reducing the risk of cross-contamination between soil samples from different sampling points.

The invention discloses a hydraulic reclamation rapid land formation construction method, and belongs to the technical field of hydraulic reclamation. A hydraulic reclamation rapid land formation construction method comprises the following steps that S1, the pipeline connecting frequency is reduced, and pipeline connection is optimized; s2, upheaval pipe heads control the hydraulic reclamation elevation; s3, a proper sandy soil material is selected to dynamically blow-fill the blow-filling pug so as to accelerate consolidation; s4, a smooth drainage channel is constructed, and mud-water separation is accelerated; s5, the top of the hydraulic reclamation pug is dynamically leveled; under the condition that the elevation of the cofferdam is insufficient, the land which is nearly one meter higher than the elevation of the cofferdam can be dredger-filled, the dredger-filling construction progress can be improved conveniently, and the dredger-filling construction efficiency is guaranteed.

This application relates to an IoT-based intelligent land remediation monitoring method and system. The monitoring method includes: acquiring satellite remote sensing elevation data and historical soil composition data of the land area to be monitored; dividing the land area to be monitored into multiple grid units and assigning grid identifiers; deploying fixed soil sensor nodes and mobile drone nodes to generate a sensor network topology; collecting real-time soil parameters of each grid unit and performing noise filtering and anomaly detection to generate a soil composition dataset; inputting the soil composition dataset and historical soil composition data into a cloud-based prediction model to output a land degradation risk score and remediation strategy; controlling the execution equipment to perform land remediation operations and monitoring changes in soil parameters after execution in real time; updating the parameters of the cloud-based prediction model and optimizing the sensor network topology based on the deviation between the changes in soil parameters after execution and the expected values. This application improves agricultural production efficiency and soil health.

The application relates to the technical field of soil remediation, in particular to a land reclamation soil remediation treatment device which comprises a liquid medicine barrel, a motor is fixedly installed at the upper end of the liquid medicine barrel; in the application, the continuous rotation of the scraper one also drives the synchronous rotation of the guide rod plate and the magnetic grinding plate; when the guide rod plate is in abutment with the fixed convex plate and is extruded by the fixed convex plate, the guide rod plate moves downward on the scraper one, the compression spring two is compressed, the magnetic grinding plate is also driven to synchronously descend, the inclined surface of the magnetic grinding plate is extruded by the top block when the magnetic grinding plate descends, the magnetic grinding plate is also driven to slide on the lower end of the guide rod plate to the direction of the magnetic block, until the inclined surface of the magnetic grinding plate is separated from the top block, at this moment, the left end of the magnetic grinding plate is in close contact with the inner wall of the collecting cavity and moves downward, the granular soil remediation agent in the collecting cavity can be ground, and the condition that the granular soil remediation agent is difficult to be fully mixed with the liquid medicine in the liquid medicine barrel after being scraped off is avoided.

The invention provides a silicon fertilizer composition, a preparation method thereof, a silicon fertilizer compounding model and a prediction system, and belongs to the field of intelligent agriculture. The preparation method of the silicon fertilizer composition comprises the following steps: by taking silicon-containing industrial waste as a raw material, carrying out chlorine gas reaction, leaching to remove soluble substances by using water in one path, retaining solid substances, and carrying out hydrothermal reaction with a sodium carbonate or potassium carbonate aqueous solution; the other path is immersed in strong alkali liquor at the temperature of 180-200 DEG C to obtain a CaSiO3 component; and compounding the two products according to the required ratio to obtain the silicon fertilizer composition. The problems of high energy consumption and high cost of traditional silicon fertilizer production are solved, the production cost is reduced by 50% or above, the soil remediation efficiency is improved by 40%, and the method is suitable for soil hardening remediation, desertification control, waste reclamation and other scenes and provides key technical support for intelligent agriculture development.